Indicate the answer choice that best completes the statement or answers the question.
Find (4a2 + b)2

a)16a4 + 8a2b + b2
b)8a4 + b2
c)16a4 + b2
d4a4 + 8a2b + b2

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

What is the binomial expansion of (2x-3)^5

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k